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There is a Legacy version here.

PFS StandardForensic DyeItem 1

Alchemical Consumable 
Source Player Core 2 pg. 295
Price 3 gp
Usage held in 1 hand; Bulk L
Activate [one-action] (manipulate)
Activating this vial of colorless liquid requires inserting a small amount of another chemical or material, such as blood or mud. The vial reacts rapidly, transforming into a murky, reddish-brown substance for a brief moment before turning clear once more.
Once activated, the dye remains potent for up to 10 minutes, during which time you can spend 1 minute to brush it onto a single object of up to 1 Bulk or across the ground in a single 5-foot square. Where the dye comes in contact with an exact match for the activating chemical, it takes on a bright blue hue while staying transparent in areas with no activating component present.